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2019-07-29mac80211: add support for the ADDBA extension elementJohn Crispin
HE allows peers to negotiate the aggregation fragmentation level to be used during transmission. The level can be 1-3. The Ext element is added behind the ADDBA request inside the action frame. The responder will then reply with the same level or a lower one if the requested one is not supported. This patch only handles the negotiation part as the ADDBA frames get passed to the ATH11k firmware, which does the rest of the magic for us aswell as generating the requests. Signed-off-by: Shashidhar Lakkavalli <slakkavalli@datto.com> Signed-off-by: John Crispin <john@phrozen.org> Link: https://lore.kernel.org/r/20190729104512.27615-1-john@phrozen.org Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-07-29mac80211: propagate HE operation info into bss_confJohn Crispin
Upon a successful assoc a station shall store the content of the HE operation element inside bss_conf so that the driver can setup the hardware accordingly. Signed-off-by: Shashidhar Lakkavalli <slakkavalli@datto.com> Signed-off-by: John Crispin <john@phrozen.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20190729102342.8659-2-john@phrozen.org [use struct copy] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-07-29cfg80211: fix dfs channels remain DFS_AVAILABLE after ch_switchMichael Vassernis
Depending on the regulatory domain, leaving a DFS channel requires a new CAC to be performed when returning back to that channel. If needed, update dfs states after a driver channel switch. Signed-off-by: Michael Vassernis <michael.vassernis@tandemg.com> Link: https://lore.kernel.org/r/20190729060024.5660-1-michael.vassernis@tandemg.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-07-29cfg80211: fix duplicated scan entries after channel switchSergey Matyukevich
When associated BSS completes channel switch procedure, its channel record needs to be updated. The existing mac80211 solution was extended to cfg80211 in commit 5dc8cdce1d72 ("mac80211/cfg80211: update bss channel on channel switch"). However that solution still appears to be incomplete as it may lead to duplicated scan entries for associated BSS after channel switch. The root cause of the problem is as follows. Each BSS entry is included into the following data structures: - bss list rdev->bss_list - bss search tree rdev->bss_tree Updating BSS channel record without rebuilding bss_tree may break tree search since cmp_bss considers all of the following: channel, bssid, ssid. When BSS channel is updated, but its location in bss_tree is not updated, then subsequent search operations may fail to locate this BSS since they will be traversing bss_tree in wrong direction. As a result, for scan performed after associated BSS channel switch, cfg80211_bss_update may add the second entry for the same BSS to both bss_list and bss_tree, rather then update the existing one. To summarize, if BSS channel needs to be updated, then bss_tree should be rebuilt in order to put updated BSS entry into a proper location. This commit suggests the following straightforward solution: - if new entry has been already created for BSS after channel switch, then use its IEs to update known BSS entry and then remove new entry completely - use rb_erase/rb_insert_bss reinstall updated BSS in bss_tree - for nontransmit BSS entry, the whole transmit BSS hierarchy is updated Signed-off-by: Sergey Matyukevich <sergey.matyukevich.os@quantenna.com> Link: https://lore.kernel.org/r/20190726163922.27509-3-sergey.matyukevich.os@quantenna.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-07-29cfg80211: refactor cfg80211_bss_updateSergey Matyukevich
This patch implements minor refactoring for cfg80211_bss_update function. Code path for updating known BSS is extracted into dedicated cfg80211_update_known_bss function. Signed-off-by: Sergey Matyukevich <sergey.matyukevich.os@quantenna.com> Link: https://lore.kernel.org/r/20190726163922.27509-2-sergey.matyukevich.os@quantenna.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-07-26nl80211: Include wiphy address setup in NEW_WIPHYDenis Kenzior
Include wiphy address setup in wiphy dumps and new wiphy events. The wiphy permanent address is exposed as ATTR_MAC. If addr_mask is setup, then it is included as ATTR_MAC_MASK attribute. If multiple addresses are available, then their are exposed in a nested ATTR_MAC_ADDRS array. This information is already exposed via sysfs, but it makes sense to include it in the wiphy dump as well. Signed-off-by: Denis Kenzior <denkenz@gmail.com> Link: https://lore.kernel.org/r/20190722113312.14031-3-denkenz@gmail.com [use just nla_nest_start(), this is new functionality] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-07-26mac80211: implement HE support for meshSven Eckelmann
Implement the basics required for supporting high efficiency with mesh: include HE information elements in beacons, probe responses, and peering action frames, and check for compatible HE configurations when peering. Signed-off-by: Sven Eckelmann <seckelmann@datto.com> Forwarded: https://patchwork.kernel.org/patch/11029299/ Link: https://lore.kernel.org/r/20190724163359.3507-2-sven@narfation.org Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-07-26mac80211: add IEEE80211_KEY_FLAG_GENERATE_MMIE to ieee80211_key_flagsLorenzo Bianconi
Add IEEE80211_KEY_FLAG_GENERATE_MMIE flag to ieee80211_key_flags in order to allow the driver to notify mac80211 to generate MMIE and that it requires sequence number generation only. This is a preliminary patch to add BIP_CMAC_128 hw support to mt7615 driver Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Link: https://lore.kernel.org/r/dfe275f9aa0f1cc6b33085f9efd5d8447f68ad13.1563228405.git.lorenzo@kernel.org Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-07-26mac80211: HE: add Spatial Reuse element parsing supportJohn Crispin
Add support to mac80211 for parsing SPR elements as per P802.11ax_D4.0 section 9.4.2.241. Signed-off-by: Shashidhar Lakkavalli <slakkavalli@datto.com> Signed-off-by: John Crispin <john@phrozen.org> Link: https://lore.kernel.org/r/20190618061915.7102-2-john@phrozen.org Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-07-26mac80211: add struct ieee80211_tx_status support to ↵John Crispin
ieee80211_add_tx_radiotap_header Add support to ieee80211_add_tx_radiotap_header() for handling rates reported via ieee80211_tx_status. This allows us to also report HE rates. Signed-off-by: John Crispin <john@phrozen.org> Link: https://lore.kernel.org/r/20190714154419.11854-4-john@phrozen.org [remove text about 60 GHz, mac80211 doesn't support it, fix endianness issue] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-07-26mac80211: propagate struct ieee80211_tx_status into ieee80211_tx_monitor()John Crispin
This will allow use to report HE rates on the radiotap interface. Signed-off-by: John Crispin <john@phrozen.org> Link: https://lore.kernel.org/r/20190714154419.11854-3-john@phrozen.org Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-07-26mac80211: add support for parsing ADDBA_EXT IEsJohn Crispin
ADDBA_EXT IEs can be used to negotiate the BA fragmentation level. Signed-off-by: John Crispin <john@phrozen.org> Link: https://lore.kernel.org/r/20190713163642.18491-2-john@phrozen.org Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-07-26cfg80211: give all multi-BSSID BSS entries the same timestampJohannes Berg
If we just read jiffies over and over again, a non-transmitting entry may have a newer timestamp than the transmitting one, leading to possible confusion on expiry. Give them all the same timestamp when creating them. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Reviewed-by: Sergey Matyukevich <sergey.matyukevich.os@quantenna.com> Link: https://lore.kernel.org/r/20190703133823.10530-3-johannes@sipsolutions.net Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-07-26cfg80211: don't parse MBSSID if transmitting BSS isn't createdJohannes Berg
Don't parse the multi-BSSID structures if we couldn't even create their transmitting BSS, this would confuse all of our tracking. This also means that non_tx_data->tx_bss will never be NULL, so we can clean up a little bit. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Reviewed-by: Sergey Matyukevich <sergey.matyukevich.os@quantenna.com> Link: https://lore.kernel.org/r/20190703133823.10530-2-johannes@sipsolutions.net Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-07-26cfg80211: clean up cfg80211_inform_single_bss_frame_data()Johannes Berg
cfg80211_inform_single_bss_frame_data() doesn't need the non_tx_data data argument since it's always NULL. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Reviewed-by: Sergey Matyukevich <sergey.matyukevich.os@quantenna.com> Link: https://lore.kernel.org/r/20190703133823.10530-1-johannes@sipsolutions.net Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-07-26cfg80211: no need to check return value of debugfs_create functionsGreg Kroah-Hartman
When calling debugfs functions, there is no need to ever check the return value. The function can work or not, but the code logic should never do something different based on this. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Link: https://lore.kernel.org/r/20190703070142.GA29993@kroah.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-07-26mac80211: AMPDU handling for rekeys with Extended Key IDAlexander Wetzel
Extended Key ID allows A-MPDU sessions while rekeying as long as each A-MPDU aggregates only MPDUs with one keyid together. Drivers able to segregate MPDUs accordingly can tell mac80211 to not stop A-MPDU sessions when rekeying by setting the new flag IEEE80211_HW_AMPDU_KEYBORDER_SUPPORT. Signed-off-by: Alexander Wetzel <alexander@wetzel-home.de> Link: https://lore.kernel.org/r/20190629195015.19680-3-alexander@wetzel-home.de Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-07-26mac80211: Simplify Extended Key ID APIAlexander Wetzel
1) Drop IEEE80211_HW_EXT_KEY_ID_NATIVE and let drivers directly set the NL80211_EXT_FEATURE_EXT_KEY_ID flag. 2) Drop IEEE80211_HW_NO_AMPDU_KEYBORDER_SUPPORT and simply assume all drivers are unable to handle A-MPDU key borders. The new Extended Key ID API now requires all mac80211 drivers to set NL80211_EXT_FEATURE_EXT_KEY_ID when they implement set_key() and can handle Extended Key ID. For drivers not providing set_key() mac80211 itself enables Extended Key ID support, using the internal SW crypto services. Signed-off-by: Alexander Wetzel <alexander@wetzel-home.de> Link: https://lore.kernel.org/r/20190629195015.19680-2-alexander@wetzel-home.de Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-07-26mac80211: add tx dequeue function for process contextErik Stromdahl
Since ieee80211_tx_dequeue() must not be called with softirqs enabled (i.e. from process context without proper disable of bottom halves), we add a wrapper that disables bottom halves before calling ieee80211_tx_dequeue() The new function is named ieee80211_tx_dequeue_ni() just as all other from-process-context versions found in mac80211. The documentation of ieee80211_tx_dequeue() is also updated so it mentions that the function should not be called from process context. Signed-off-by: Erik Stromdahl <erik.stromdahl@gmail.com> Link: https://lore.kernel.org/r/20190617200140.6189-1-erik.stromdahl@gmail.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-07-26lib80211: use crypto API ccm(aes) transform for CCMP processingArd Biesheuvel
Instead of open coding the CCM aead mode in the driver, and invoking the AES block cipher block by block, use a ccm(aes) aead transform which already encapsulates this functionality. This is a cleaner use of the crypto API, and permits optimized implementations to be used, which are typically much faster and deal more efficiently with the SIMD register file, which usually needs to be preserved/restored in order to use special AES instructions. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Link: https://lore.kernel.org/r/20190617091901.7063-1-ard.biesheuvel@linaro.org Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-07-26mac80211: remove unused and unneeded remove_sta_debugfs callbackGreg Kroah-Hartman
The remove_sta_debugfs callback in struct rate_control_ops is no longer used by any driver, as there is no need for it (the debugfs directory is already removed recursivly by the mac80211 core.) Because no one needs it, just remove it to keep anyone else from accidentally using it in the future. Cc: Johannes Berg <johannes@sipsolutions.net> Cc: "David S. Miller" <davem@davemloft.net> Cc: linux-wireless@vger.kernel.org Cc: netdev@vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Link: https://lore.kernel.org/r/20190612142658.12792-5-gregkh@linuxfoundation.org Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-07-26mac80211: pass the vif to cancel_remain_on_channelEmmanuel Grumbach
This low level driver can find it useful to get the vif when a remain on channel session is cancelled. iwlwifi will need this soon. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Link: https://lore.kernel.org/r/20190723180001.5828-1-emmanuel.grumbach@intel.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-07-25tipc: fix changeover issues due to large packetTuong Lien
In conjunction with changing the interfaces' MTU (e.g. especially in the case of a bonding) where the TIPC links are brought up and down in a short time, a couple of issues were detected with the current link changeover mechanism: 1) When one link is up but immediately forced down again, the failover procedure will be carried out in order to failover all the messages in the link's transmq queue onto the other working link. The link and node state is also set to FAILINGOVER as part of the process. The message will be transmited in form of a FAILOVER_MSG, so its size is plus of 40 bytes (= the message header size). There is no problem if the original message size is not larger than the link's MTU - 40, and indeed this is the max size of a normal payload messages. However, in the situation above, because the link has just been up, the messages in the link's transmq are almost SYNCH_MSGs which had been generated by the link synching procedure, then their size might reach the max value already! When the FAILOVER_MSG is built on the top of such a SYNCH_MSG, its size will exceed the link's MTU. As a result, the messages are dropped silently and the failover procedure will never end up, the link will not be able to exit the FAILINGOVER state, so cannot be re-established. 2) The same scenario above can happen more easily in case the MTU of the links is set differently or when changing. In that case, as long as a large message in the failure link's transmq queue was built and fragmented with its link's MTU > the other link's one, the issue will happen (there is no need of a link synching in advance). 3) The link synching procedure also faces with the same issue but since the link synching is only started upon receipt of a SYNCH_MSG, dropping the message will not result in a state deadlock, but it is not expected as design. The 1) & 3) issues are resolved by the last commit that only a dummy SYNCH_MSG (i.e. without data) is generated at the link synching, so the size of a FAILOVER_MSG if any then will never exceed the link's MTU. For the 2) issue, the only solution is trying to fragment the messages in the failure link's transmq queue according to the working link's MTU so they can be failovered then. A new function is made to accomplish this, it will still be a TUNNEL PROTOCOL/FAILOVER MSG but if the original message size is too large, it will be fragmented & reassembled at the receiving side. Acked-by: Ying Xue <ying.xue@windriver.com> Acked-by: Jon Maloy <jon.maloy@ericsson.com> Signed-off-by: Tuong Lien <tuong.t.lien@dektech.com.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-25tipc: optimize link synching mechanismTuong Lien
This commit along with the next one are to resolve the issues with the link changeover mechanism. See that commit for details. Basically, for the link synching, from now on, we will send only one single ("dummy") SYNCH message to peer. The SYNCH message does not contain any data, just a header conveying the synch point to the peer. A new node capability flag ("TIPC_TUNNEL_ENHANCED") is introduced for backward compatible! Acked-by: Ying Xue <ying.xue@windriver.com> Acked-by: Jon Maloy <jon.maloy@ericsson.com> Suggested-by: Jon Maloy <jon.maloy@ericsson.com> Signed-off-by: Tuong Lien <tuong.t.lien@dektech.com.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-24can: Add SPDX license identifiers for CAN subsystemOliver Hartkopp
Add missing SPDX identifiers for the CAN network layer and correct the SPDX license for two of its include files to make sure the BSD-3-Clause applies for the entire subsystem. Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2019-07-24can: remove obsolete empty ioctl() handlerOliver Hartkopp
With commit c7cbdbf29f488a ("net: rework SIOCGSTAMP ioctl handling") the only ioctl function in can_ioctl() has been removed. As this SIOCGSTAMP ioctl command is now handled in net/socket.c we can entirely remove the CAN specific ioctl functions. Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2019-07-24can: Kconfig: correct history of the CAN protocolRobert P. J. Day
Current history of CAN protocol is wrong, fix it in the Kconfig file. Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> Acked-by: Oliver Hartkopp <socketcan@hartkopp.net> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2019-07-23hv_sock: Use consistent types for UUIDsAndy Shevchenko
The rest of Hyper-V code is using new types for UUID handling. Convert hv_sock as well. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Dexuan Cui <decui@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-23net: sched: include mpls actions in hardware intermediate representationJohn Hurley
A recent addition to TC actions is the ability to manipulate the MPLS headers on packets. In preparation to offload such actions to hardware, update the IR code to accept and prepare the new actions. Note that no driver currently impliments the MPLS dec_ttl action so this is not included. Signed-off-by: John Hurley <john.hurley@netronome.com> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-22net: Rename skb_frag page to bv_pageMatthew Wilcox (Oracle)
One step closer to turning the skb_frag_t into a bio_vec. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-22net: Use skb accessors in network coreMatthew Wilcox (Oracle)
In preparation for unifying the skb_frag and bio_vec, use the fine accessors which already exist and use skb_frag_t instead of struct skb_frag_struct. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-22net-ipv6-ndisc: add support for RFC7710 RA Captive Portal IdentifierMaciej Żenczykowski
This is trivial since we already have support for the entirely identical (from the kernel's point of view) RDNSS and DNSSL that also contain opaque data that needs to be passed down to userspace. As specified in RFC7710, Captive Portal option contains a URL. 8-bit identifier of the option type as assigned by the IANA is 37. This option should also be treated as userland. Hence, treat ND option 37 as userland (Captive Portal support) See: https://tools.ietf.org/html/rfc7710 https://www.iana.org/assignments/icmpv6-parameters/icmpv6-parameters.xhtml Fixes: e35f30c131a56 Signed-off-by: Maciej Żenczykowski <maze@google.com> Cc: Lorenzo Colitti <lorenzo@google.com> Cc: Remin Nguyen Van <reminv@google.com> Cc: Alexey I. Froloff <raorn@raorn.name> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-21tcp: be more careful in tcp_fragment()Eric Dumazet
Some applications set tiny SO_SNDBUF values and expect TCP to just work. Recent patches to address CVE-2019-11478 broke them in case of losses, since retransmits might be prevented. We should allow these flows to make progress. This patch allows the first and last skb in retransmit queue to be split even if memory limits are hit. It also adds the some room due to the fact that tcp_sendmsg() and tcp_sendpage() might overshoot sk_wmem_queued by about one full TSO skb (64KB size). Note this allowance was already present in stable backports for kernels < 4.15 Note for < 4.15 backports : tcp_rtx_queue_tail() will probably look like : static inline struct sk_buff *tcp_rtx_queue_tail(const struct sock *sk) { struct sk_buff *skb = tcp_send_head(sk); return skb ? tcp_write_queue_prev(sk, skb) : tcp_write_queue_tail(sk); } Fixes: f070ef2ac667 ("tcp: tcp_fragment() should apply sane memory limits") Signed-off-by: Eric Dumazet <edumazet@google.com> Reported-by: Andrew Prout <aprout@ll.mit.edu> Tested-by: Andrew Prout <aprout@ll.mit.edu> Tested-by: Jonathan Lemon <jonathan.lemon@gmail.com> Tested-by: Michal Kubecek <mkubecek@suse.cz> Acked-by: Neal Cardwell <ncardwell@google.com> Acked-by: Yuchung Cheng <ycheng@google.com> Acked-by: Christoph Paasch <cpaasch@apple.com> Cc: Jonathan Looney <jtl@netflix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-21net: sched: verify that q!=NULL before setting q->flagsVlad Buslov
In function int tc_new_tfilter() q pointer can be NULL when adding filter on a shared block. With recent change that resets TCQ_F_CAN_BYPASS after filter creation, following NULL pointer dereference happens in case parent block is shared: [ 212.925060] BUG: kernel NULL pointer dereference, address: 0000000000000010 [ 212.925445] #PF: supervisor write access in kernel mode [ 212.925709] #PF: error_code(0x0002) - not-present page [ 212.925965] PGD 8000000827923067 P4D 8000000827923067 PUD 827924067 PMD 0 [ 212.926302] Oops: 0002 [#1] SMP KASAN PTI [ 212.926539] CPU: 18 PID: 2617 Comm: tc Tainted: G B 5.2.0+ #512 [ 212.926938] Hardware name: Supermicro SYS-2028TP-DECR/X10DRT-P, BIOS 2.0b 03/30/2017 [ 212.927364] RIP: 0010:tc_new_tfilter+0x698/0xd40 [ 212.927633] Code: 74 0d 48 85 c0 74 08 48 89 ef e8 03 aa 62 00 48 8b 84 24 a0 00 00 00 48 8d 78 10 48 89 44 24 18 e8 4d 0c 6b ff 48 8b 44 24 18 <83> 60 10 f b 48 85 ed 0f 85 3d fe ff ff e9 4f fe ff ff e8 81 26 f8 [ 212.928607] RSP: 0018:ffff88884fd5f5d8 EFLAGS: 00010296 [ 212.928905] RAX: 0000000000000000 RBX: 0000000000000000 RCX: dffffc0000000000 [ 212.929201] RDX: 0000000000000007 RSI: 0000000000000004 RDI: 0000000000000297 [ 212.929402] RBP: ffff88886bedd600 R08: ffffffffb91d4b51 R09: fffffbfff7616e4d [ 212.929609] R10: fffffbfff7616e4c R11: ffffffffbb0b7263 R12: ffff88886bc61040 [ 212.929803] R13: ffff88884fd5f950 R14: ffffc900039c5000 R15: ffff88835e927680 [ 212.929999] FS: 00007fe7c50b6480(0000) GS:ffff88886f980000(0000) knlGS:0000000000000000 [ 212.930235] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 212.930394] CR2: 0000000000000010 CR3: 000000085bd04002 CR4: 00000000001606e0 [ 212.930588] Call Trace: [ 212.930682] ? tc_del_tfilter+0xa40/0xa40 [ 212.930811] ? __lock_acquire+0x5b5/0x2460 [ 212.930948] ? find_held_lock+0x85/0xa0 [ 212.931081] ? tc_del_tfilter+0xa40/0xa40 [ 212.931201] rtnetlink_rcv_msg+0x4ab/0x5f0 [ 212.931332] ? rtnl_dellink+0x490/0x490 [ 212.931454] ? lockdep_hardirqs_on+0x260/0x260 [ 212.931589] ? netlink_deliver_tap+0xab/0x5a0 [ 212.931717] ? match_held_lock+0x1b/0x240 [ 212.931844] netlink_rcv_skb+0xd0/0x200 [ 212.931958] ? rtnl_dellink+0x490/0x490 [ 212.932079] ? netlink_ack+0x440/0x440 [ 212.932205] ? netlink_deliver_tap+0x161/0x5a0 [ 212.932335] ? lock_downgrade+0x360/0x360 [ 212.932457] ? lock_acquire+0xe5/0x210 [ 212.932579] netlink_unicast+0x296/0x350 [ 212.932705] ? netlink_attachskb+0x390/0x390 [ 212.932834] ? _copy_from_iter_full+0xe0/0x3a0 [ 212.932976] netlink_sendmsg+0x394/0x600 [ 212.937998] ? netlink_unicast+0x350/0x350 [ 212.943033] ? move_addr_to_kernel.part.0+0x90/0x90 [ 212.948115] ? netlink_unicast+0x350/0x350 [ 212.953185] sock_sendmsg+0x96/0xa0 [ 212.958099] ___sys_sendmsg+0x482/0x520 [ 212.962881] ? match_held_lock+0x1b/0x240 [ 212.967618] ? copy_msghdr_from_user+0x250/0x250 [ 212.972337] ? lock_downgrade+0x360/0x360 [ 212.976973] ? rwlock_bug.part.0+0x60/0x60 [ 212.981548] ? __mod_node_page_state+0x1f/0xa0 [ 212.986060] ? match_held_lock+0x1b/0x240 [ 212.990567] ? find_held_lock+0x85/0xa0 [ 212.994989] ? do_user_addr_fault+0x349/0x5b0 [ 212.999387] ? lock_downgrade+0x360/0x360 [ 213.003713] ? find_held_lock+0x85/0xa0 [ 213.007972] ? __fget_light+0xa1/0xf0 [ 213.012143] ? sockfd_lookup_light+0x91/0xb0 [ 213.016165] __sys_sendmsg+0xba/0x130 [ 213.020040] ? __sys_sendmsg_sock+0xb0/0xb0 [ 213.023870] ? handle_mm_fault+0x337/0x470 [ 213.027592] ? page_fault+0x8/0x30 [ 213.031316] ? lockdep_hardirqs_off+0xbe/0x100 [ 213.034999] ? mark_held_locks+0x24/0x90 [ 213.038671] ? do_syscall_64+0x1e/0xe0 [ 213.042297] do_syscall_64+0x74/0xe0 [ 213.045828] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 213.049354] RIP: 0033:0x7fe7c527c7b8 [ 213.052792] Code: 89 02 48 c7 c0 ff ff ff ff eb bb 0f 1f 80 00 00 00 00 f3 0f 1e fa 48 8d 05 65 8f 0c 00 8b 00 85 c0 75 17 b8 2e 00 00 00 0f 05 <48> 3d 00 f 0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 89 54 [ 213.060269] RSP: 002b:00007ffc3f7908a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 213.064144] RAX: ffffffffffffffda RBX: 000000005d34716f RCX: 00007fe7c527c7b8 [ 213.068094] RDX: 0000000000000000 RSI: 00007ffc3f790910 RDI: 0000000000000003 [ 213.072109] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007fe7c5340cc0 [ 213.076113] R10: 0000000000404ec2 R11: 0000000000000246 R12: 0000000000000080 [ 213.080146] R13: 0000000000480640 R14: 0000000000000080 R15: 0000000000000000 [ 213.084147] Modules linked in: act_gact cls_flower sch_ingress nfsv3 nfs_acl nfs lockd grace fscache bridge stp llc sunrpc intel_rapl_msr intel_rapl_common [<1;69;32Msb_edac rdma_ucm rdma_cm x86_pkg_temp_thermal iw_cm intel_powerclamp ib_cm coretemp kvm_intel kvm irqbypass mlx5_ib ib_uverbs ib_core crct10dif_pclmul crc32_pc lmul crc32c_intel ghash_clmulni_intel mlx5_core intel_cstate intel_uncore iTCO_wdt igb iTCO_vendor_support mlxfw mei_me ptp ses intel_rapl_perf mei pcspkr ipmi _ssif i2c_i801 joydev enclosure pps_core lpc_ich ioatdma wmi dca ipmi_si ipmi_devintf ipmi_msghandler acpi_power_meter acpi_pad ast i2c_algo_bit drm_vram_helpe r ttm drm_kms_helper drm mpt3sas raid_class scsi_transport_sas [ 213.112326] CR2: 0000000000000010 [ 213.117429] ---[ end trace adb58eb0a4ee6283 ]--- Verify that q pointer is not NULL before setting the 'flags' field. Fixes: 3f05e6886a59 ("net_sched: unset TCQ_F_CAN_BYPASS when adding filters") Signed-off-by: Vlad Buslov <vladbu@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-21tipc: Fix a typoChristophe JAILLET
s/tipc_toprsv_listener_data_ready/tipc_topsrv_listener_data_ready/ (r and s switched in topsrv) Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-20mac80211: don't warn about CW params when not using themBrian Norris
ieee80211_set_wmm_default() normally sets up the initial CW min/max for each queue, except that it skips doing this if the driver doesn't support ->conf_tx. We still end up calling drv_conf_tx() in some cases (e.g., ieee80211_reconfig()), which also still won't do anything useful...except it complains here about the invalid CW parameters. Let's just skip the WARN if we weren't going to do anything useful with the parameters. Signed-off-by: Brian Norris <briannorris@chromium.org> Link: https://lore.kernel.org/r/20190718015712.197499-1-briannorris@chromium.org Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-07-20mac80211: fix possible memory leak in ieee80211_assign_beaconLorenzo Bianconi
Free new beacon_data in ieee80211_assign_beacon whenever ieee80211_assign_beacon fails Fixes: 8860020e0be1 ("cfg80211: restructure AP/GO mode API") Fixes: bc847970f432 ("mac80211: support FTM responder configuration/statistic") Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Link: https://lore.kernel.org/r/770285772543c9fca33777bb4ad4760239e56256.1562105631.git.lorenzo@kernel.org Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-07-19net: flow_offload: add flow_block structure and use itPablo Neira Ayuso
This object stores the flow block callbacks that are attached to this block. Update flow_block_cb_lookup() to take this new object. This patch restores the block sharing feature. Fixes: da3eeb904ff4 ("net: flow_offload: add list handling functions") Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-19net: flow_offload: rename tc_setup_cb_t to flow_setup_cb_tPablo Neira Ayuso
Rename this type definition and adapt users. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-19net: flow_offload: remove netns parameter from flow_block_cb_alloc()Pablo Neira Ayuso
No need to annotate the netns on the flow block callback object, flow_block_cb_is_busy() already checks for used blocks. Fixes: d63db30c8537 ("net: flow_offload: add flow_block_cb_alloc() and flow_block_cb_free()") Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-19net: openvswitch: rename flow_stats to sw_flow_statsPablo Neira Ayuso
There is a flow_stats structure defined in include/net/flow_offload.h and a follow up patch adds #include <net/flow_offload.h> to net/sch_generic.h. This breaks compilation since OVS codebase includes net/sock.h which pulls in linux/filter.h which includes net/sch_generic.h. In file included from ./include/net/sch_generic.h:18:0, from ./include/linux/filter.h:25, from ./include/net/sock.h:59, from ./include/linux/tcp.h:19, from net/openvswitch/datapath.c:24 This definition takes precedence on OVS since it is placed in the networking core, so rename flow_stats in OVS to sw_flow_stats since this structure is contained in sw_flow. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-19Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nfDavid S. Miller
Pablo Neira Ayuso says: ==================== Netfilter fixes for net The following patchset contains Netfilter fixes for net: 1) Fix a deadlock when module is requested via netlink_bind() in nfnetlink, from Florian Westphal. 2) Fix ipt_rpfilter and ip6t_rpfilter with VRF, from Miaohe Lin. 3) Skip master comparison in SIP helper to fix expectation clash under two valid scenarios, from xiao ruizhu. 4) Remove obsolete comments in nf_conntrack codebase, from Yonatan Goldschmidt. 5) Fix redirect extension module autoload, from Christian Hesse. 6) Fix incorrect mssg option sent to client in synproxy, from Fernando Fernandez. 7) Fix incorrect window calculations in TCP conntrack, from Florian Westphal. 8) Don't bail out when updating basechain policy due to recent offload works, also from Florian. 9) Allow symhash to use modulus 1 as other hash extensions do, from Laura.Garcia. 10) Missing NAT chain module autoload for the inet family, from Phil Sutter. 11) Fix missing adjustment of TCP RST packet in synproxy, from Fernando Fernandez. 12) Skip EAGAIN path when nft_meta_bridge is built-in or not selected. 13) Conntrack bridge does not depend on nf_tables_bridge. 14) Turn NF_TABLES_BRIDGE into tristate to fix possible link break of nft_meta_bridge, from Arnd Bergmann. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-19Merge branch 'work.mount0' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs Pull vfs mount updates from Al Viro: "The first part of mount updates. Convert filesystems to use the new mount API" * 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (63 commits) mnt_init(): call shmem_init() unconditionally constify ksys_mount() string arguments don't bother with registering rootfs init_rootfs(): don't bother with init_ramfs_fs() vfs: Convert smackfs to use the new mount API vfs: Convert selinuxfs to use the new mount API vfs: Convert securityfs to use the new mount API vfs: Convert apparmorfs to use the new mount API vfs: Convert openpromfs to use the new mount API vfs: Convert xenfs to use the new mount API vfs: Convert gadgetfs to use the new mount API vfs: Convert oprofilefs to use the new mount API vfs: Convert ibmasmfs to use the new mount API vfs: Convert qib_fs/ipathfs to use the new mount API vfs: Convert efivarfs to use the new mount API vfs: Convert configfs to use the new mount API vfs: Convert binfmt_misc to use the new mount API convenience helper: get_tree_single() convenience helper get_tree_nodev() vfs: Kill sget_userns() ...
2019-07-19Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds
Pull networking fixes from David Miller: 1) Fix AF_XDP cq entry leak, from Ilya Maximets. 2) Fix handling of PHY power-down on RTL8411B, from Heiner Kallweit. 3) Add some new PCI IDs to iwlwifi, from Ihab Zhaika. 4) Fix handling of neigh timers wrt. entries added by userspace, from Lorenzo Bianconi. 5) Various cases of missing of_node_put(), from Nishka Dasgupta. 6) The new NET_ACT_CT needs to depend upon NF_NAT, from Yue Haibing. 7) Various RDS layer fixes, from Gerd Rausch. 8) Fix some more fallout from TCQ_F_CAN_BYPASS generalization, from Cong Wang. 9) Fix FIB source validation checks over loopback, also from Cong Wang. 10) Use promisc for unsupported number of filters, from Justin Chen. 11) Missing sibling route unlink on failure in ipv6, from Ido Schimmel. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (90 commits) tcp: fix tcp_set_congestion_control() use from bpf hook ag71xx: fix return value check in ag71xx_probe() ag71xx: fix error return code in ag71xx_probe() usb: qmi_wwan: add D-Link DWM-222 A2 device ID bnxt_en: Fix VNIC accounting when enabling aRFS on 57500 chips. net: dsa: sja1105: Fix missing unlock on error in sk_buff() gve: replace kfree with kvfree selftests/bpf: fix test_xdp_noinline on s390 selftests/bpf: fix "valid read map access into a read-only array 1" on s390 net/mlx5: Replace kfree with kvfree MAINTAINERS: update netsec driver ipv6: Unlink sibling route in case of failure liquidio: Replace vmalloc + memset with vzalloc udp: Fix typo in net/ipv4/udp.c net: bcmgenet: use promisc for unsupported filters ipv6: rt6_check should return NULL if 'from' is NULL tipc: initialize 'validated' field of received packets selftests: add a test case for rp_filter fib: relax source validation check for loopback packets mlxsw: spectrum: Do not process learned records with a dummy FID ...
2019-07-19Merge branch 'akpm' (patches from Andrew)Linus Torvalds
Merge yet more updates from Andrew Morton: "The rest of MM and a kernel-wide procfs cleanup. Summary of the more significant patches: - Patch series "mm/memory_hotplug: Factor out memory block devicehandling", v3. David Hildenbrand. Some spring-cleaning of the memory hotplug code, notably in drivers/base/memory.c - "mm: thp: fix false negative of shmem vma's THP eligibility". Yang Shi. Fix /proc/pid/smaps output for THP pages used in shmem. - "resource: fix locking in find_next_iomem_res()" + 1. Nadav Amit. Bugfix and speedup for kernel/resource.c - Patch series "mm: Further memory block device cleanups", David Hildenbrand. More spring-cleaning of the memory hotplug code. - Patch series "mm: Sub-section memory hotplug support". Dan Williams. Generalise the memory hotplug code so that pmem can use it more completely. Then remove the hacks from the libnvdimm code which were there to work around the memory-hotplug code's constraints. - "proc/sysctl: add shared variables for range check", Matteo Croce. We have about 250 instances of int zero; ... .extra1 = &zero, in the tree. This is a tree-wide sweep to make all those private "zero"s and "one"s use global variables. Alas, it isn't practical to make those two global integers const" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (38 commits) proc/sysctl: add shared variables for range check mm: migrate: remove unused mode argument mm/sparsemem: cleanup 'section number' data types libnvdimm/pfn: stop padding pmem namespaces to section alignment libnvdimm/pfn: fix fsdax-mode namespace info-block zero-fields mm/devm_memremap_pages: enable sub-section remap mm: document ZONE_DEVICE memory-model implications mm/sparsemem: support sub-section hotplug mm/sparsemem: prepare for sub-section ranges mm: kill is_dev_zone() helper mm/hotplug: kill is_dev_zone() usage in __remove_pages() mm/sparsemem: convert kmalloc_section_memmap() to populate_section_memmap() mm/hotplug: prepare shrink_{zone, pgdat}_span for sub-section removal mm/sparsemem: add helpers track active portions of a section at boot mm/sparsemem: introduce a SECTION_IS_EARLY flag mm/sparsemem: introduce struct mem_section_usage drivers/base/memory.c: get rid of find_memory_block_hinted() mm/memory_hotplug: move and simplify walk_memory_blocks() mm/memory_hotplug: rename walk_memory_range() and pass start+size instead of pfns mm: make register_mem_sect_under_node() static ...
2019-07-19netfilter: bridge: make NF_TABLES_BRIDGE tristateArnd Bergmann
The new nft_meta_bridge code fails to link as built-in when NF_TABLES is a loadable module. net/bridge/netfilter/nft_meta_bridge.o: In function `nft_meta_bridge_get_eval': nft_meta_bridge.c:(.text+0x1e8): undefined reference to `nft_meta_get_eval' net/bridge/netfilter/nft_meta_bridge.o: In function `nft_meta_bridge_get_init': nft_meta_bridge.c:(.text+0x468): undefined reference to `nft_meta_get_init' nft_meta_bridge.c:(.text+0x49c): undefined reference to `nft_parse_register' nft_meta_bridge.c:(.text+0x4cc): undefined reference to `nft_validate_register_store' net/bridge/netfilter/nft_meta_bridge.o: In function `nft_meta_bridge_module_exit': nft_meta_bridge.c:(.exit.text+0x14): undefined reference to `nft_unregister_expr' net/bridge/netfilter/nft_meta_bridge.o: In function `nft_meta_bridge_module_init': nft_meta_bridge.c:(.init.text+0x14): undefined reference to `nft_register_expr' net/bridge/netfilter/nft_meta_bridge.o:(.rodata+0x60): undefined reference to `nft_meta_get_dump' net/bridge/netfilter/nft_meta_bridge.o:(.rodata+0x88): undefined reference to `nft_meta_set_eval' This can happen because the NF_TABLES_BRIDGE dependency itself is just a 'bool'. Make the symbol a 'tristate' instead so Kconfig can propagate the dependencies correctly. Fixes: 30e103fe24de ("netfilter: nft_meta: move bridge meta keys into nft_meta_bridge") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-07-18tcp: fix tcp_set_congestion_control() use from bpf hookEric Dumazet
Neal reported incorrect use of ns_capable() from bpf hook. bpf_setsockopt(...TCP_CONGESTION...) -> tcp_set_congestion_control() -> ns_capable(sock_net(sk)->user_ns, CAP_NET_ADMIN) -> ns_capable_common() -> current_cred() -> rcu_dereference_protected(current->cred, 1) Accessing 'current' in bpf context makes no sense, since packets are processed from softirq context. As Neal stated : The capability check in tcp_set_congestion_control() was written assuming a system call context, and then was reused from a BPF call site. The fix is to add a new parameter to tcp_set_congestion_control(), so that the ns_capable() call is only performed under the right context. Fixes: 91b5b21c7c16 ("bpf: Add support for changing congestion control") Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Lawrence Brakmo <brakmo@fb.com> Reported-by: Neal Cardwell <ncardwell@google.com> Acked-by: Neal Cardwell <ncardwell@google.com> Acked-by: Lawrence Brakmo <brakmo@fb.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-18proc/sysctl: add shared variables for range checkMatteo Croce
In the sysctl code the proc_dointvec_minmax() function is often used to validate the user supplied value between an allowed range. This function uses the extra1 and extra2 members from struct ctl_table as minimum and maximum allowed value. On sysctl handler declaration, in every source file there are some readonly variables containing just an integer which address is assigned to the extra1 and extra2 members, so the sysctl range is enforced. The special values 0, 1 and INT_MAX are very often used as range boundary, leading duplication of variables like zero=0, one=1, int_max=INT_MAX in different source files: $ git grep -E '\.extra[12].*&(zero|one|int_max)' |wc -l 248 Add a const int array containing the most commonly used values, some macros to refer more easily to the correct array member, and use them instead of creating a local one for every object file. This is the bloat-o-meter output comparing the old and new binary compiled with the default Fedora config: # scripts/bloat-o-meter -d vmlinux.o.old vmlinux.o add/remove: 2/2 grow/shrink: 0/2 up/down: 24/-188 (-164) Data old new delta sysctl_vals - 12 +12 __kstrtab_sysctl_vals - 12 +12 max 14 10 -4 int_max 16 - -16 one 68 - -68 zero 128 28 -100 Total: Before=20583249, After=20583085, chg -0.00% [mcroce@redhat.com: tipc: remove two unused variables] Link: http://lkml.kernel.org/r/20190530091952.4108-1-mcroce@redhat.com [akpm@linux-foundation.org: fix net/ipv6/sysctl_net_ipv6.c] [arnd@arndb.de: proc/sysctl: make firmware loader table conditional] Link: http://lkml.kernel.org/r/20190617130014.1713870-1-arnd@arndb.de [akpm@linux-foundation.org: fix fs/eventpoll.c] Link: http://lkml.kernel.org/r/20190430180111.10688-1-mcroce@redhat.com Signed-off-by: Matteo Croce <mcroce@redhat.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Kees Cook <keescook@chromium.org> Reviewed-by: Aaron Tomlin <atomlin@redhat.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-07-18net: dsa: sja1105: Fix missing unlock on error in sk_buff()Wei Yongjun
Add the missing unlock before return from function sk_buff() in the error handling case. Fixes: f3097be21bf1 ("net: dsa: sja1105: Add a state machine for RX timestamping") Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Reviewed-by: Vladimir Oltean <olteanv@gmail.com> Reviewed-by: Vivien Didelot <vivien.didelot@gmail.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-18Merge tag 'nfs-for-5.3-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfsLinus Torvalds
Pull NFS client updates from Trond Myklebust: "Highlights include: Stable fixes: - SUNRPC: Ensure bvecs are re-synced when we re-encode the RPC request - Fix an Oops in ff_layout_track_ds_error due to a PTR_ERR() dereference - Revert buggy NFS readdirplus optimisation - NFSv4: Handle the special Linux file open access mode - pnfs: Fix a problem where we gratuitously start doing I/O through the MDS Features: - Allow NFS client to set up multiple TCP connections to the server using a new 'nconnect=X' mount option. Queue length is used to balance load. - Enhance statistics reporting to report on all transports when using multiple connections. - Speed up SUNRPC by removing bh-safe spinlocks - Add a mechanism to allow NFSv4 to request that containers set a unique per-host identifier for when the hostname is not set. - Ensure NFSv4 updates the lease_time after a clientid update Bugfixes and cleanup: - Fix use-after-free in rpcrdma_post_recvs - Fix a memory leak when nfs_match_client() is interrupted - Fix buggy file access checking in NFSv4 open for execute - disable unsupported client side deduplication - Fix spurious client disconnections - Fix occasional RDMA transport deadlock - Various RDMA cleanups - Various tracepoint fixes - Fix the TCP callback channel to guarantee the server can actually send the number of callback requests that was negotiated at mount time" * tag 'nfs-for-5.3-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (68 commits) pnfs/flexfiles: Add tracepoints for detecting pnfs fallback to MDS pnfs: Fix a problem where we gratuitously start doing I/O through the MDS SUNRPC: Optimise transport balancing code SUNRPC: Ensure the bvecs are reset when we re-encode the RPC request pnfs/flexfiles: Fix PTR_ERR() dereferences in ff_layout_track_ds_error NFSv4: Don't use the zero stateid with layoutget SUNRPC: Fix up backchannel slot table accounting SUNRPC: Fix initialisation of struct rpc_xprt_switch SUNRPC: Skip zero-refcount transports SUNRPC: Replace division by multiplication in calculation of queue length NFSv4: Validate the stateid before applying it to state recovery nfs4.0: Refetch lease_time after clientid update nfs4: Rename nfs41_setup_state_renewal nfs4: Make nfs4_proc_get_lease_time available for nfs4.0 nfs: Fix copy-and-paste error in debug message NFS: Replace 16 seq_printf() calls by seq_puts() NFS: Use seq_putc() in nfs_show_stats() Revert "NFS: readdirplus optimization by cache mechanism" (memleak) SUNRPC: Fix transport accounting when caller specifies an rpc_xprt NFS: Record task, client ID, and XID in xdr_status trace points ...
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